package de.ishuo.netzclubminutecounter;

import java.io.File;
import java.io.IOException;
import java.io.StringWriter;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.util.PDFTextStripper;

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 */


public class PdfBoxTextExtractor {
	
	private static PDFTextStripper stripper = null;
	
	public static void initialize() {
		try {
			stripper = new PDFTextStripper();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public static String extractText(File file) {
		String result = "";
		try {
			PDDocument doc = PDDocument.load(file);
			StringWriter writer = new StringWriter();
			
			if (stripper == null) {
				initialize();
			}
			stripper.writeText(doc, writer);
			result = writer.toString();
			
			doc.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		return result;
	}
	
	
	public static void main(String[] args) {
//		PdfBoxTextExtractor extractor = new PdfBoxTextExtractor();
//		extractor.extractText(new File("test/res/entgeld.pdf"));
		
		
	}

}
